You can keep the frosting in the container to microwave. Just be sure to get all of the foil cover off before warming in microwave.
Serving: 1slice | Calories: 591kcal | Carbohydrates: 85g | Protein: 6g | Fat: 26g | Saturated Fat: 13g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 7g | Trans Fat: 0.4g | Cholesterol: 117mg | Sodium: 615mg | Potassium: 113mg | Fiber: 1g | Sugar: 62g | Vitamin A: 641IU | Vitamin C: 1mg | Calcium: 153mg | Iron: 2mg